<template>
    <div class="app-container">
  
      <div class="el-toolbar">
        <div class="el-toolbar-body" style="justify-content: flex-start;">
          <el-button type="text" @click="exportData"><i class="fa fa-plus"/> 导出</el-button>
          <el-button type="text" @click="importData"><i class="fa fa-plus"/> 导入</el-button>
        </div>
      </div>
  
      <!--:load="getChildren"当查看子菜单的时候出发-->
      <el-table
        :data="list"
        style="width: 100%"
        row-key="id"
        border
        lazy
        :load="getChildren"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
        <el-table-column label="名称" width="230" align="left">
          <template slot-scope="scope">
            <span>{{ scope.row.name }}</span>
          </template>
        </el-table-column>
  
        <el-table-column label="编码" width="220">
          <template slot-scope="{row}">
            {{ row.dictCode }}
          </template>
        </el-table-column>
        <el-table-column label="值" width="230" align="left">
          <template slot-scope="scope">
            <span>{{ scope.row.value }}</span>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center">
          <template slot-scope="scope">
            <span>{{ scope.row.createTime }}</span>
          </template>
        </el-table-column>
      </el-table>
      <!--弹出窗-->
    <el-dialog title="导入" :visible.sync="dialogImportVisible" width="480px">
      <el-form label-position="right" label-width="170px">

        <el-form-item label="文件">
          <el-upload
            :multiple="false"
            :on-success="onUploadSuccess"
            action="http://localhost:8202/admin/cmn/dict/importData"
            class="upload-demo">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传excel文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogImportVisible = false">
          取消
        </el-button>
      </div>
    </el-dialog>


    </div>
  
  </template>
  
  <script>
  import dict from "@/api/dict";
  export default {
    name: "Dict",
    data(){
      return{
        list:[],
        dialogImportVisible:false
      }
    },
    created(){
        this.getList(1);
    },
    methods:{
      //导入
      importData(){
        this.dialogImportVisible = true
      },
      //上传成功的回调
      onUploadSuccess(){
        //关闭弹窗
        this.dialogImportVisible = false
        //刷新数据
        this.getList()

        this.$message.success("上传成功！")
      },
      //导出数据字典
      exportData(){
        //调用导出接口
        window.location.href = 'http://localhost:8202/admin/cmn/dict/exportData'
      },
        //数据字典列表
        getList(id){
            dict.getDictionaryList(id)
            .then(response=>{
                this.list=response.data
                console.log(this.list)
            })
        },
        //查询下一层级
        //展开子节点时出发
        getChildren(tree, treeNode, resolve){
            dict.getDictionaryList(tree.id).then(response=>{
                //获取子节点后调用resolve（解析）函数加载页面
                resolve(response.data)
            })
        }
      
    }
  
  }
  </script>